The ocean is full of all kinds of amazing creatures. Some of the most mysterious ocean critters, however, are hardly ever seen. They live in the very deepest parts of the ocean. Sunlight does not reach that far down, and the water is extremely cold. Many of the creatures there do not use eyes to see where they are going. Instead, they rely on touch or sound. Some kinds of fish down there can create light to help them see. Others use the dark to sneak up on their prey. Which would make the best concluding sentence for this paragraph?
A.
It is a different world down there, in the deep, dark, bottom of the ocean.
B.
Sometimes an animal use its light to confuse and more easily catch its prey.
C.
The ocean is one of the best places to visit because of the different animals.
D.
The water is very cold down there because sunlight does not reach the water.